Journal
NATURAL PRODUCT RESEARCH
Volume 22, Issue 16, Pages 1472-1482Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786410802214199
Keywords
Shankhpushpi; Convulvulus pluricaulis; amnesia; learning; memory
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Funding
- University Grants Commission, New Delhi
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The present study was undertaken to investigate the effects of Convulvulus pluricaulis (CP), considered as Shankhpushpi on learning and memory in rodents. Nootropic activity using Cook and Weidley's Pole Climbing Apparatus, passive avoidance paradigms and active avoidance tests were used to test learning and memory. The ethanolic extract of CP and its ethyl acetate and aqueous fractions were evaluated for their memory enhancing properties. Two doses (100 and 200 mg kg(-1) p.o.) of the ethanolic extract and ethyl acetate and aqueous fractions were administered in separate groups of animals. Both the doses of all the extracts of CP significantly improved learning and memory in rats. Furthermore, these doses significantly reversed the amnesia induced by scopolamine (0.3 mg kg(-1) i.p.). Nootropic activity was compared using piracetam as the standard. Moreover, CP has exhibited potent memory-enhancing effects in the step-down and shuttle-box avoidance paradigms. Further studies are necessitated to identify the exact mechanism of action.
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